Insertable Ring Could Prevent HIV in Women

Living Room, Inc


Scientists from Northwestern University have developed a new intravaginal ring that they say could help prevent women from being infected with HIV.

The device is easily inserted and remains in place for 28 days, delivering a measured amount of the anti-retroviral tenofovir directly to the site of transmission.

HIV affects an estimated 34 million people around the world. In 2011, 2.5 million people were newly diagnosed, and in sub-Saharan Africa, women make up 60% of people living with HIV/AIDS.

Preventative drugs do exist, but many have proved ineffective, especially in developing countries where financial and cultural barriers interrupt their use.

Previous studies have shown that antiviral drugs can prevent HIV infection, but existing delivery methods often fall short: pills need to be taken daily and in high doses, while vaginal gels have to be applied before each sex act, making them inconvenient.

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